Natural Resources Wales (NRW) has warned of the threat of invasive Pacific pink salmon and urged anglers to report catches or sightings of invasive pink salmon, which are expected to appear in UK waters this year.

In 2019 and 2021, there were numerous sightings of invasive pink salmon in UK waters and – with pink salmon having a fixed, two-year life cycle and generally spawning in the summer –  it is highly likely they will appear again in rivers this year.

The arrival of pink salmon raises potential concerns to other native species, including wild Atlantic salmon. Atlantic salmon are threatened with numbers of the species falling dramatically due to various pressures. The invasive pink salmon is seen as an additional threat to their survival.

Pink salmon (Onchorhyncus gorbuscha) originate from the northern Pacific Ocean and can be identified by large black oval spots on its tail, a very dark mouth and tongue and they have much smaller scales than the Atlantic salmon.

Dave Mee, NRW’s Lead Specialist Advisor for Freshwater Fisheries, said

“Although in Wales we have had only one pink salmon reported in 2019, their continued spread  across northern Europe to the UK could be a serious  risk to our already threatened Atlantic salmon populations. 

“NRW teams are working hard to contain and control invasive non-native species so that native fish, ecosystems and other wildlife are reduced from the damage they pose.

“That is why it is crucial that the public understand this immediate risk and report the capture or sightings of all pink salmon to us, whether that be through our new reporting tool or to NRW’s incident hotline.”

New reporting tool

Fisheries managers, anglers, net fishers and members of the public are requested to report any sightings or catches to NRW’s incident number – 03000 65 3000 – via NRW’s online form, or use the new reporting tool which has been developed in collaboration with Fisheries Management Scotland and the Environment Agency.

This new reporting tool can be used to report any sightings or captures of pink salmon, quickly and easily. Information will then be passed to the appropriate authority for any response which may be required. The data collected will help the Environment Agency and fisheries researchers better understand how to manage the arrival of pink salmon.

A guidance factsheet is available for individuals who do come across this species.

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Team @ AberdareOnline

Team @ AberdareOnline

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